 <!DOCTYPE html>
 <html lang="en">
 <head>
 	<meta charset="UTF-8">
 	<title>拖拽</title>
 	<style type="text/css">
 		*{
 			margin: 0;
 			padding: 0;
 		}
 		div{
 			width: 100px;
 			height: 100px;
 			background-color: aquamarine;
 			position: absolute;
 			left: 0;
 			top: 0;
 		}
 		.p{
 			width: 98px;
 			height: 98px;
 			border: 2px dashed #000;
 			position: absolute;
 			top: 0;
 			left: 0;
 		}
 	</style>
 	 <script type="text/javascript" src="bundle.js"></script>
 </head>
 <body>
 	<div></div>
 </body>
 </html>